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Showing 1 to 6 of 6 for “"0702 Animal Production"”.
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Regulation of ovarian oxytocin and prostaglandin F2[alpha] release in the ovine oestrous cycle
This thesis addresses the regulation of ovarian oxytocin and prostaglandin F2a (PGF2a) release in the ovine oestrous cycle, their role in luteolysis and a possible mechanism by which the oxytocin secretory pathway is controlled in ovarian tissue.
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Investigations of the action of vitamin A and beta carotene on reproductive performance in pigs
The reproductive efficiency of the breeding sow is a major limitation to profitability in the pork industry. Investigations on the treatment of sows with retinol proprionate or retinol palmitate and their effect on reproductive function were undertaken. The objectives of this work were to …
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Investigation of the oxytocin receptor gene in sheep
The increase in uterine oxytocin receptor (OTR)concentrations over the late luteal phase of the estrous cycle in sheep is thought to play an important role in the regulation of the cycle length by facilitating the effect of oxytocin on uterine prostaglandin release. At the end of pregnancy, a …
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Pre-slaughter behaviour and beef quailty
… to meat quality measurements. Each individual animal was allocated an activity / temperature scale (ATS, 1 = active; 5 = calm) based on the observer’s impression after half an hour and a dominance scale (DS, 1 = dominant; 5 = subordinate) as determined by two-way win: loss table. Ultimate pH …
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Sheep farming Tongariro District, 1855-1918 : Dissertation submitted in partial fulfilment of the requirements for the Diploma in Parks and Recreation at Lincoln University College, Canterbury
… and competition from the various introduced wild animals; a chapter describes each of these problems. The sheep-farming operations fall into five fairly clearly defined periods and localities with the first of these being the early attempts by Reverend Richard Grace to bring the benefits of …
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Evaluation of perennial ryegrass cultivars for dairy production under different pasture management
… ryegrass (Lolium perenne L.) cultivars for dairy production under different pasture management. Five experiments were conducted in Canterbury, New Zealand to evaluate perennial ryegrass in terms of morphology (experiment 1), nutritive value (experiments 1 and 2), rumen degradation (experiment 3), …